.art{
    width: 1200px;
    margin: 0 auto;
}
.left>div{
   
}
.left>div>p{
    line-height: 30px;
    text-indent: 2em;
    
}
.left>div>img{
    display: block;
    margin: 20px auto;
}
.hot_news>span{
    display: inline-block;
    width: 100%;   
    font-size: 18px;
    margin-top: 35px;
    margin-bottom: 14px;
    text-align: center;

}

.hot_news img{
    width: 100%;
}
.col-md-12>li{
    width:277px;
    list-style: none;
 
}

.hot_news ul{
    border-bottom: 1px solid #ddd;
    border-top: 1px solid #ddd;
}
.col-md-12 li p{
    overflow: hidden;
    text-overflow:ellipsis;
    white-space: nowrap;
}